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This article first introduces the math foundation required by ECC,including the addition rule for elliptic curve point defined over finite field.Then , the principle of ECC is discussed and its security and efficiency of ECC are analyzed.Third, a cryptosystem is designed through analyzing the security requiration, choosing the elliptic curve domain parameters,denoting field element,elliptic curve and elliptic curve point,choosing associate primitves and schemes andpartitioning functional module.Forth, how to develop a crytosystem based on elliptic curve encryption algorithm is investigated.Fifth, a cryptosystem we have developed by us and the testing result is described.

本文首先介绍了ECC的数学基础，对有限域上椭圆曲线点的运算规则进行了详细描述；其次探讨了ECC的原理，分析了ECC的安全性和有效性；第三，设计了一个基于ECC的加密系统，包括系统的安全需求分析，域参数选择，域元、椭圆曲线、点的表示，原语和方案的选择，及整个系统的模块功能划分；第四，在设计的基础上，研究如何开发一个基于椭圆曲线的加密系统；第五，描述了一个我们已经设计与开发的基于椭圆曲线的加密系统，并给出了相应的测试结果。

The owner of an incomplete statistics in the Australian assets of Chinese companies to list, China National Petroleum Corporation, Sinopec and CNOOC three domestic oilman's name emerged as a major surprise: May 15, 2003, CNOOC to spend 348 million U.S. dollars acquisition Australian North West Shelf LNG project upstream products and reserves the rights and interests; September 9, 2007, China Petroleum Group to Australia's biggest oil and gas producer Woodside Petroleum to purchase up to 45 billion Australian dollars worth of liquefied natural gas; June 19 this year Japan, China's petrochemical enterprises to 561 million U.S. dollars to the Australian oil producers to buy oil fields in the Timor Sea Puffin rights and interests of 60 percent.

在我国企业在澳大利亚的资产的不完全统计，业主名单，中国石油天然气集团公司，中石化和中海油三大国内石油商的名字成为一个主要的惊喜：2003年5月15日，中海油花费三点四八〇亿美元收购澳大利亚西北大陆架LNG项目的上游产品及储量的权利和利益； 2007年9月9日，中国石油集团向澳大利亚最大的石油和天然气生产商伍德赛德石油公司购买最多45亿美元的液化天然气澳元；今年6月19日，日本，中国的石化企业五万六千一百点零零万美元向澳大利亚石油生产商收购帝汶海海鹦的权利和利益的百分之六十油田。

They are: the achievements of textual research and exegesis of Zhu Zi Xue in Qing Dynasty; the promoting effect of the introducing Western theories that took on the research of Chinese classical logic; taking the doctrine of Moism and scientific logic method as a methodological weapon for propagating reformist thought and Liang Qichao"s favor to Mo Zi and theory of Moism.The second part is about Liang Qichao"s achievements of logic and methodology: he analyzed induction and deduction, and thoroughly analyzed induction in particular, and his thought about those was mainly correct; he analyzed comparison as a component of induction and discussed the cognitive function of comparison, he also explained how to use comparison in the research of history; he not only explicated the thinking process of analytical method and synthetic method, but also integrated the two methods with studying history and reading history , and turned them into specific research methods of history ;he expound the rule of causal law , just as Leibnizs principle of sufficient reason in Western modern times and the law of sufficient reasonin universal logic; he discussed nominal classification, and analyzed wrong classification of the forefathers, then he pointed out the significance of clarifying the basic of division .

不足在于：①梁启超对于各种科学方法的论述不够系统、全面；②梁启超比较研究方法仍存在一些缺陷，他的比较研究主要是将墨家论式与西方逻辑的三段论(有的与印度因明的三支作法)形式作求同研究，缺乏系统性和全面性，而且对三种逻辑的共同点和差异点的分析也缺乏理论深度，加之梁启超不懂得数理逻辑，缺乏精确的数理逻辑工具，因而使这种对比分析缺乏严密性和精确性。

In type II wounds the laceration is more than 1 cm long but is without extensive soft tissue damage, skin flaps, or avulsions.

它们经常是大量的被污染第三种类型第三点是：开放的骨折包括有血管的损伤的开放骨折需要修复无论软组织伤口的大小。

For the eyes of the well-being of the standard XieNa through the lens to the screen in front of a vast number of men's views can be used as reference points: First, like the work of its own; Second, there is a group of friends can come out to play; Third, an understanding of their love.

对于心目中幸福的标准，谢娜透过镜头向荧屏前的广大男士提出了三点可供参考的意见：第一，有自己喜欢的工作；第二，有一帮可以出来玩的朋友；第三，有一个理解自己的爱人。

I visited a three-story indoor fabric market (South Bund Soft-Spinning Material Market, 399 Lu Jia Bang Road) with Lin Lin Mai, a Kewpie-doll-cute twenty-eight-year-old with an eighteen-inch waist, a perfect pageboy haircut, a dot of hot-pink rouge on each cheek, green racing stripes on her fingernails, and a tattoo representing a crop circle on her back.

我去过一个三层的室内织物市场（在陆家浜路399号的南外滩轻纺面料市场），和Lin Lin Mai，一个像Kewpie娃娃一样可爱的28岁女性，腰围18英寸，完美的内卷发型，两颊上各点了粉红的小点，指甲上画着绿色的竞赛斑马，背上有代表麦田怪圈的纹身。

In this thesis, we proposed a robust trilateration method to estimate Path Loss Exponent which stands for the signal attenuate rate for each reference node to target path by using two different frequency signals and the trilateration method. Then we used every PLE to calculate the corresponding distance and performed the trilateration positioning task using these distances. We also ran two simulations to evaluate our proposed method.

但另一方面，即使在同一空间中，却因为存在著许多变数而导致各个不同的路径都拥有自己的路径衰减指数，所以此篇论文我们提出先利用两个不同频率的讯号测得参考点到目标上的路径衰减指数后，再利用此数值做此路径的距离推导，最后再藉由三点定位法做出目标的定位。

The equal distance 3-improved-coverage number of beacon sending position is presented according the acreage of ROI.Then a simple method is put forward to calculate the coordinates of the sending positions in rectangular ROI.Aiming at the shortage of the existent sequence algorithm,when beacon moves according to the path and emits RF signals at every position,the ant colony algorithm is applied to the position sequence so as to get the beacon sending position.Further,in this algorithm the sensors could work out their position with trilateration.

根据ROI面积给出了等距三重优化覆盖此ROI所需要的信标发射位置数量计算方法；随后对矩形ROI提出了一种简单的信标发射位置确定方法；针对现有的遍历发射位置点的路径遍历算法的不足，提出了一种新的应用蚁群算法的信标发射位置点的遍历算法，并利用该算法对基于三边测量方法进行传感器节点定位。

Global illumination plays an important role in 3D graphics. Compared with local illumination, global illumination considers not only direct lighting, but also influence from indirect lights and occlusion. Thus, it can simulate more realistic effects, for instance, refraction and reflection of transparent objects, sub-surface scattering of translucent objects and shadow.

三维场景的全局光照计算[76~78]不仅考虑当前着色点的直接入射光照，还涉及环境中其它景物对着色点的间接光照或遮挡的影响，因而可以模拟比局部光照更真实的效果，如透明物体的折射和反射，半透明物体的子表面散射，阴影等。

Emergence of the first three quarters of the performance of 22 companies rose, January to September this year, a total net profit of 1.223 billion yuan, while the same period last year was only 413 million yuan, of which the leading textile industries, as well as most brand apparel industry, for example,鲁泰, vosges shares , seven wolves,开开实业and other enterprises are one of them.

前三届的22家公司业绩宿舍的出现上升，1至9月，今年的十二万二千三点〇万元净利润总额，而去年同期只有4.13亿元，其中主要的纺织工业，以及因为大多数品牌服装行业，例如，鲁泰，孚日股份，七匹狼，开开实业等企业便是其中之一。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。